Etymotic ER4SR
Precision-matched balanced armature drivers within 1dB channel tolerance and 35-42 dB passive noise isolation deliver a studio-reference frequency response for analytical listening. The anodized aluminum body and detachable braided MMCX cable provide durable build quality, backed by an included signed compliance graph from the US-based tuning engineer. This wired in-ear monitor is best for audio engineers and purist listeners who prioritize absolute accuracy over enhanced bass or wireless convenience.
About This Earbuds
Precision-matched balanced armature drivers within 1dB channel tolerance and 35-42 dB passive noise isolation deliver a studio-reference frequency response for analytical listening. The anodized aluminum body and detachable braided MMCX cable provide durable build quality, backed by an included signed compliance graph from the US-based tuning engineer. This wired in-ear monitor is best for audio engineers and purist listeners who prioritize absolute accuracy over enhanced bass or wireless convenience.
- Form factor in-ear
- Driver type balanced armature
Overview
Performance
Pros & Cons
Pros
- Strong comfort (71th percentile) 71th
Cons
- Below average connectivity (9th percentile) 9th
- Below average mic (10th percentile) 10th
- Below average anc (29th percentile) 29th
- Below average build (33th percentile) 33th
Specifications
Full Specifications
Design
| Form Factor | in-ear |
| Weight | 0.1 kg / 0.2 lbs |
Audio
| Driver Type | balanced armature |
| Freq Min | 20 |
| Freq Max | 16000 |
| Impedance | 45 |
| Sensitivity | 98 |
| Codecs | Etymotic ER4SR Studio Reference Earphone,Black |
Value & Pricing
vs Competition
| Spec | Etymotic ER4SR | Technics EAH-AZ100 EAH-AZ100 | Sony WF-1000XM6 WF-1000XM6 | Bose QuietComfort Ultra 896637-0010 | Sennheiser MOMENTUM True Wireless 4 | Samsung Galaxy Buds3 Pro SM-R630NZWAXAR |
|---|---|---|---|---|---|---|
| Form Factor | in-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | balanced armature | Dynamic | Dynamic | Dynamic | dynamic | Dynamic |
| Wireless | - | true | true | true | true | true |
| Active Noise Cancellation | - | true | true | true | true | true |
| Bluetooth Version | - | 5.3 | 5.3 | 5.3 | 5.4 | 5.4 |
| Battery Life Hours | - | 8 | 8 | 6 | 30 | 6 |
| Case Battery Hours | - | 28 | 24 | 18 | 30 | 26 |
| Water Resistance | - | IPX4 | IPX4 | IPX4 | IP54 | IP57 |
| Multipoint | - | true | true | true | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| Etymotic ER4SR | 29.4 | 9.6 | 33.4 | 50.1 | 47 | 70.9 | 9.1 | 60.3 |
| Technics EAH-AZ100 EAH-AZ100 Compare | 96.6 | 96.9 | 79 | 99.1 | 79.1 | 93.4 | 99.1 | 89.3 |
| Sony WF-1000XM6 WF-1000XM6 Compare | 96.6 | 99.7 | 79 | 96.2 | 75.6 | 70.9 | 99.1 | 94.4 |
| Bose QuietComfort Ultra 896637-0010 Compare | 96.6 | 90.4 | 79 | 96.4 | 47 | 93.4 | 97.8 | 96.7 |
| Sennheiser MOMENTUM True Wireless 4 Compare | 96.6 | 99.7 | 33.4 | 91.9 | 97.5 | 93.4 | 90 | 89.3 |
| Samsung Galaxy Buds3 Pro SM-R630NZWAXAR Compare | 96.6 | 96.9 | 98.8 | 91.8 | 72.6 | 93.4 | 99.6 | 89.3 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
